gen-jhipster
Version:
VHipster - Spring Boot + Angular/React/Vue in one handy generator
46 lines (45 loc) • 1.95 kB
JavaScript
/**
* Copyright 2013-2026 the original author or authors from the JHipster project.
*
* This file is part of the JHipster project, see https://www.jhipster.tech/
* for more information.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import { createToken } from 'chevrotain';
import { isString } from 'lodash-es';
import { KEYWORD, NAME, namePattern } from "./shared-tokens.js";
export default function createTokenFromConfig(config) {
if (!config) {
throw new Error("Can't create a token without the proper config.");
}
// JDL has a great many keywords. Keywords can conflict with identifiers in a parsing
// library with a separate lexing phase.
// See: https://github.com/SAP/chevrotain/blob/master/examples/lexer/keywords_vs_identifiers/keywords_vs_identifiers.js
// a Concise way to resolve the problem without manually adding the "longer_alt" property dozens of times.
if (isString(config.pattern) && namePattern.test(config.pattern)) {
config.longer_alt = NAME;
if (!config.categories) {
config.categories = [];
}
if (!Array.isArray(config.categories)) {
config.categories = [config.categories];
}
config.categories.push(KEYWORD);
}
// readable labels for diagrams
if (isString(config.pattern) && !config.label) {
config.label = `'${config.pattern}'`;
}
return createToken(config);
}